"They are puzzle-solvers in nature. They have an intense ability to figure things out. In this case, the mom is pretty dead-set in getting access to the cub. It gives us a taste of how adaptable and how intellligent these animals are," Sacramento Zoo Harrison Adell said. "We always thing of parrots and primates as being among the smartest animals. Dolphins, of course, are up there. Bears are up there as well. They have to puzzle-solve and surive in the environment."